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Espresso: Thread.sleep( );
...{
return isRoot();
}
@Override
public String getDescription() {
return "wait for a specific view with id <" + viewId + "> during " + millis + " millis.";
}
@Override
public void perform(final UiController uiController, f...
Difference: std::runtime_error vs std::exception()
...
std::runtime_error on the other hand has valid constructors that accept a string as a message. When what() is called a const char pointer is returned that points at a C string that has the same string as was passed into the constructor.
try
{
if (badThingHappened)
{
throw std::run...
sizeof single struct member in C
...->member)
and use it like this:
typedef struct
{
float calc;
char text[255];
int used;
} Parent;
typedef struct
{
char flag;
char text[member_size(Parent, text)];
int used;
} Child;
I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a ...
How to remove all line breaks from a string
...match all variants is
/\r?\n|\r/
If you want to match all newlines in a string, use a global match,
/\r?\n|\r/g
respectively. Then proceed with the replace method as suggested in several other answers. (Probably you do not want to remove the newlines, but replace them with other whitespace, f...
Use email address as primary key?
...
String comparison is slower than int comparison. However, this does not matter if you simply retrieve a user from the database using the e-mail address. It does matter if you have complex queries with multiple joins.
If you ...
How to check with javascript if connection is local host?
.../ detecting "localhost" will not work. location.hostname will return empty string. so
if (location.hostname === "localhost" || location.hostname === "127.0.0.1" || location.hostname === "")
alert("It's a local server!");
...
The entity type is not part of the model for the current context
...have a number of reasons. In my case, it was the following: The connection string (in Web.config) generated by the .edmx was invalid. After almost a day of trying everything, I changed the connection string from the EF string to an ADO.NET string. This solved my issue.
For example, the EF string lo...
Identify if a string is a number
If I have these strings:
25 Answers
25
...
What is the email subject length limit?
...56 is any better than 250, or 300, or 372. We're long past using bytes for string lengths.
– Greg Hewgill
Oct 20 '09 at 3:46
4
...
Simple example of threading in C++
...reate a function that you want the thread to execute, eg:
void task1(std::string msg)
{
std::cout << "task1 says: " << msg;
}
Now create the thread object that will ultimately invoke the function above like so:
std::thread t1(task1, "Hello");
(You need to #include <thread>...